QUALITY STEEL CORP AG/UG Dome Lid – New Style (Post 7/1/21 Tanks)This high-quality AG/UG Dome Lid is the updated, new-style replacement lid designed for LP/propane tanks manufactured after July 1, 2021. Built by Quality Steel Corp, it offers excellent durability and weather protection for both above-ground and underground propane tank risers.Manufactured using heavy-duty composite materials, this lid protects critical tank components—including valves, relief vents, and riser hardware—from weather, debris, and UV exposure. The modern design ensures a secure fit with newer production riser bases.Perfect for propane dealers, service technicians, bulk plant operators, and residential service replacements.Key FeaturesNew-style design for tanks manufactured after 7/1/21Built from rugged composite materials for long-term outdoor durabilityProtects riser components, valves, and fittingsCompatible with modern LP gas AG/UG tank assembliesOEM part from Quality Steel CorpDLP#: 6LP2035LIDAManufacturer Number: MFG# 02-339-1